Dave Smith has praised the Brisbane Broncos for the way the club has handled the salary cap irregularity allegations.

AAP: Damian Shaw

NRL boss Dave Smith has praised the Brisbane Broncos' handling of potential salary cap breaches despite the matter threatening to take the gloss from the game's historic State of Origin showpiece.

Barely 24 hours after a plaque was unveiled at Lang Park commemorating Origin's 100th game on Wednesday night, Smith joined guests and fans for Maroons great Mal Meninga's statue reveal at the ground on match day.